<template>
    <el-dialog title="新增部门" @close="close" :visible="showDialog">
        <!-- 弹层内容 -->
        <el-form ref="addDept" :model="formData" :rules="rules" label-width="120px">
            <el-form-item prop="name" label="部门名称">
                <el-input v-model="formData.name" placeholder="2-10个字符" size="mini" style="width: 80%;"/>
            </el-form-item>
            <el-form-item prop="code" label="部门编号">
                <el-input v-model="formData.code" placeholder="2-10个字符" size="mini" style="width: 80%;"/>
            </el-form-item>
            <el-form-item prop="managerId" label="部门负责人">
                <el-select v-model="formData.managerId" placeholder="请选择负责人" size="mini" style="width: 80%;">
                    <el-option 
                        v-for="item in ManagerList"
                        :key="item.id"
                        :label="item.username"
                        :value="item.id"
                    />
                </el-select>
            </el-form-item>
            <el-form-item prop="introduce" label="部门介绍">
                <el-input v-model="formData.introduce" placeholder="1-100个字符" size="mini" style="width: 80%;" type="textarea" :rows="4"/>
            </el-form-item>
            <el-form-item>
                <!-- 按钮 -->
                <el-row type="flex" justify="center">
                    <el-col :span="12">
                        <el-button type="primary" size="mini" @click="btnOk">确定</el-button>
                        <el-button size="mini" @click="close">取消</el-button>
                    </el-col>
                </el-row>
            </el-form-item>
        </el-form>
    </el-dialog>
</template>

<script>
import {updateDepartment,getDepartmentDetail,getDepartment,getManagerList,addDepartment} from '@/api/department'
export default{
    data(){
        return{
            ManagerList:[],
            formData:{
                code: '', //部门编号
                introduce: '', //部门介绍
                managerId: '', //部门负责人id
                name: '', //部门名称
                pid: '' //父级部门的id
            },
            rules:{
                code: [{required: true, message: '部门编号不能为空',trigger:'blur'},
                        {min:2,max:10,message:'部门编号的长度为2-10个字符',trigger:'blur'},
                        {trigger:'blur',
                        // 自定义校验
                        validator: async(rule,value,callback) =>{
                           let result = await getDepartment()
                           // 判断是编辑还是新增 有值则是新增
                           if(this.formData.id){
                                //编辑场景 排除自身
                                result = result.filter(item => item.id != this.formData.id )
                           }
                           //检查result中是否存在code 通过some查看
                           if(result.some(item =>item.code === value)){
                                callback(new Error('部门中已经有该编号'))
                           }else{
                                callback()
                           }
                        }
                    }], //部门编号
                introduce: [{required: true, message: '部门介绍不能为空',trigger:'blur'},
                        {min:1,max:100,message:'部门介绍的长度为1-100个字符',trigger:'blur'}], //部门介绍
                managerId: [{required: true, message: '部门负责人不能为空',trigger:'blur'}], //部门负责人id
                name: [{required: true, message: '部门名称不能为空',trigger:'blur'},
                        {min:2,max:10,message:'部门名称的长度为2-10个字符',trigger:'blur'},
                        {trigger:'blur',
                        // 自定义校验
                        validator: async(rule,value,callback) =>{
                           let result = await getDepartment()
                            // 判断是编辑还是新增 有值则是新增
                            if(this.formData.id){
                                    //编辑场景 排除自身
                                    result = result.filter(item => item.id != this.formData.id )
                            }

                           //检查result中是否存在code 通过some查看
                           if(result.some(item =>item.name === value)){
                                callback(new Error('部门中已经有该名称'))
                           }else{
                                callback()
                           }
                        }
                    }], //部门名称
            }
        }
    },
    props:{
        showDialog:{
            type: Boolean,
            default: false
        },
        currentNodeId:{
            type: Number,
            default:null
        }
    },
    created(){
        this.getDepartment()
    },
    methods:{
        close(){
            this.$refs.addDept.resetFields()
            //子传父
            this.$emit("update:showDialog",false)
        },
        async getDepartment(){
            this.ManagerList = await getManagerList()
        },
        btnOk(){
            this.$refs.addDept.validate(async isOk => {
                if(isOk){
                    let message = '新增'
                    //判断新增还是编辑
                    if(this.formData.id){
                        //编辑
                        message = '编辑'
                        await updateDepartment(this.formData)
                    }else{
                        await addDepartment({ ...this.formData,pid:this.currentNodeId}) //传参 pid是父传过来的
                    }
                    this.$emit('updateDepartment')
                    this.$message.success(`${message}成功`)
                    this.close()
                }
            })
        },
        async getDepartmentDetail(){
            this.formData = await getDepartmentDetail(this.currentNodeId);
        }
    }
}
</script>